diff options
Diffstat (limited to 'freebsd/sbin/pfctl/pfctl_optimize.c')
| -rw-r--r-- | freebsd/sbin/pfctl/pfctl_optimize.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/freebsd/sbin/pfctl/pfctl_optimize.c b/freebsd/sbin/pfctl/pfctl_optimize.c index cbf94e80..02a1018c 100644 --- a/freebsd/sbin/pfctl/pfctl_optimize.c +++ b/freebsd/sbin/pfctl/pfctl_optimize.c @@ -1549,14 +1549,24 @@ superblock_inclusive(struct superblock *block, struct pf_opt_rule *por) int interface_group(const char *ifname) { + int s; + struct ifgroupreq ifgr; + if (ifname == NULL || !ifname[0]) return (0); - /* Real interfaces must end in a number, interface groups do not */ - if (isdigit(ifname[strlen(ifname) - 1])) - return (0); - else - return (1); + s = get_query_socket(); + + memset(&ifgr, 0, sizeof(ifgr)); + strlcpy(ifgr.ifgr_name, ifname, IFNAMSIZ); + if (ioctl(s, SIOCGIFGMEMB, (caddr_t)&ifgr) == -1) { + if (errno == ENOENT) + return (0); + else + err(1, "SIOCGIFGMEMB"); + } + + return (1); } |